Congressman calls for Trump's impeachment on House floor

They also requested an immediate public hearing with Comey and copies of all of Comey's memos and records relating to Trump.

"Our response is to be responsible, sober and to focus only on getting the facts", he said.

"Speaker Ryan has shown he has zero, zero, zero appetite for any investigation of President Trump", Cummings said.

"I'm convinced that the president did nothing that he thought was outside the best interest of the country", said Rep. Trent Franks, R-Ariz. John Barrasso, R-Wyo., left, and Senate Majority Leader Mitch McConnell of Ky., right, reacts to questions from reporters about President Donald Trump reportedly sharing classified. Only the U.S. Senate can do this after a trial.

The president fired the FBI director overseeing a lawful investigation of the president's campaign ties to Russian influence in the president's 2016 election. When the White House disputed Comey's version, then-FBI Director Robert Mueller's contemporaneous notes were used as confirmation.

On Tuesday evening, Rep. Jason Chaffetz, R-Utah, the chair of the House Oversight Committee, sent a letter to McCabe requesting that the Federal Bureau of Investigation provide "all memoranda, notes, summaries, and recordings referring or relating to any communications between Comey and the President" by May 24. "We really need the facts".

Mr Trump said he would have fired Mr Comey "regardless of recommendation" from the Justice Department.

But CBS News on Wednesday said it asked 20 GOP senators and representatives and anyone from the White House to appear during the two-hour broadcast of "CBS This Morning" but "all declined our invitation".

The person who described the Comey memo to the AP was not authorized to discuss it by name and spoke on condition of anonymity. The existence of the memo was first reported Tuesday by The New York Times. The White House has denied the report. "While the President has repeatedly expressed his view that General Flynn is a decent man who served and protected our country, the President has never asked Mr. Comey or anyone else to end any investigation, including any investigation involving General Flynn", it said in a statement."The President has the utmost respect for our law enforcement agencies, and all investigations".

Flynn was forced from his position in February after it was revealed that he lied to Vice President Mike Pence about his contact with Russian ambassador Sergey Kislyak. The White House disputed the account.

"I will leave it to the committees that are doing these investigations", Ryan said, noting that there were investigations ongoing in the House, Senate and FBI, and that he would not "micromanage" them. "Memos, transcripts, tapes - the list keeps getting longer", he said.

Mr Ryan also implied that Mr Comey had questions to answer over why he had delayed informing authorities about his concerns surrounding Mr Trump.

Standing on the floor of the House of Representatives, Green said, "This is where I stand".

Democrats pointed out that Ryan had called for Democrat Hillary Clinton to be denied classified briefings after Comey concluded past year that she was careless in how she handled classified information over her email accounts.